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Pulmonary Artery Pseudoaneurysm (PAP) is a rare, life-threatening condition that requires prompt diagnosis and intervention due to its high risk of rupture and mortality. Pseudoaneurysms involve only the adventitia and media, making the vessel wall more prone to rupture. PAPs are primarily acquired, though can be congenital. The most commonly acquired PAPs are iatrogenic, occurring after procedures such as pulmonary artery catheterization or right heart catheterization. PAPs are typically diagnosed with CTA, although the gold standard remains pulmonary angiography. The nonspecific symptoms and variable progression of PAPs complicate their diagnosis. Additionally, no specific treatment guidelines exist. Endovascular interventions such as coil embolization, stents, plugs, or liquid embolization are the preferred treatment options due to lower invasiveness and mortality.

Publication Date

5-9-2025

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2025 Research Day Corewell Health West, Grand Rapids, MI, May 9, 2025. Abstract 1723

Pulmonary Artery Pseudoaneurysm Following Right Heart Catheterization: Diagnostic and Interventional Considerations

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